1640883387

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{27919}}^1$

素因数の和:28083

約数の個数: 32

約数和(自身を含む): 2589189120

約数和(自身を除く): 948305733

約数列:

[1, 3, 11, 13, 33, 39, 137, 143, 411, 429, 1507, 1781, 4521, 5343, 19591, 27919, 58773, 83757, 307109, 362947, 921327, 1088841, 3824903, 3992417, 11474709, 11977251, 42073933, 49723739, 126221799, 149171217, 546961129, 1640883387]

約数ペア:

[(1, 1640883387), (3, 546961129), (11, 149171217), (13, 126221799), (33, 49723739), (39, 42073933), (137, 11977251), (143, 11474709), (411, 3992417), (429, 3824903), (1507, 1088841), (1781, 921327), (4521, 362947), (5343, 307109), (19591, 83757), (27919, 58773)]